Physics Objective Type Questions and Answers - 3

Question: 11

Soap bubble looks coloured due to

(A) Dispersion

(B) Interference

(C) Reflection

(D) Any one of these

Question: 12

A man with a dark skin, in comparison with a man with a white skin, will experience

(A) More heat and more cold

(B) More heat and less cold

(C) Less heat and more cold

(D) Less heat and less cold

Question: 13

What is the unit for measuring the amplitude of a sound?

(A) Decibel

(B) Coulomb

(C) Cycles

(D) Hum

Question: 14

Study of life in outer space is known as

(A) Enterobiology

(B) Neobiology

(C) Exobiology

(D) Endobiology

Question: 15

We cannot hear on the surface of the moon because

(A) It has very low gravitational force

(B) It has no atmosphere

(C) Its surface absorbs sound

(D) None of these